oj.uz

Submission #825352

# Submission time Handle Problem Language Result Execution time Memory
825352 2023-08-14T18:30:54 Z tomruk Arranging Shoes (IOI19_shoes) C++17
100 / 100
 324 ms 44616 KB 
    #include "shoes.h"
    #include <bits/stdc++.h>
    #define N 200005
    using namespace std;
    struct BIT{
    	vector<int> bit;
    	int n;
    	BIT(int size){
    		n = size;
    		bit.assign(n,0);
    	}
    	void upd(int pos,int val){
    		for(++pos;pos<n;pos += pos & -pos){
    			bit[pos] += val;
    		}
    	}
    	int get(int pos){
    		int ret = 0;
    		for(++pos;pos > 0;pos -= pos & -pos){
    			ret += bit[pos];
    		}
    		return ret;
    	}
    	int get(int l,int r){
    		return get(r) - get(l-1);
    	}
    };
    vector<int> l[N];
    vector<int> r[N];
    long long solve(vector<int> a,vector<int> b){
    	long long ret = 0;
    	BIT bt(N);
    	map<int,vector<int>> mp;
    	int sz = a.size();
    	for(int i = sz-1;i>=0;i--){
    		mp[a[i]].push_back(i);
    	}
    	for(int i = 0;i<sz;i++){
    		int ps = mp[b[i]].back() + bt.get(mp[b[i]].back()+1,sz);
    		ret += ps - i;
    		bt.upd(mp[b[i]].back(),1);
    		mp[b[i]].pop_back();
    	}
    	return ret;
    }
    long long count_swaps(vector<int> s){
    	int n = s.size()/2;
    	int m = s.size();
    	for(int i = 0;i<m;i++){
    		if(s[i] < 0)l[-s[i]].push_back(i);
    		else r[s[i]].push_back(i);
    	}
    	vector<pair<int,int>> v;
    	for(int i = 1;i<=n;i++){
    		for(int j = 0;j<l[i].size();j++){
    			v.push_back({l[i][j] + r[i][j],i});
    		}
    	}
    	sort(v.begin(),v.end());
    	vector<int> t;
    	for(auto u:v){
    		t.push_back(-u.second);
    		t.push_back(u.second);
    	}
    	return solve(s,t);
    }

Compilation message

shoes.cpp: In function 'long long int count_swaps(std::vector<int>)':
shoes.cpp:55:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   55 |       for(int j = 0;j<l[i].size();j++){
      |                     ~^~~~~~~~~~~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 10452 KB Output is correct
2 Correct 6 ms 10452 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 10452 KB Output is correct
2 Correct 6 ms 10452 KB Output is correct
3 Correct 5 ms 10460 KB Output is correct
4 Correct 5 ms 10464 KB Output is correct
5 Correct 5 ms 10452 KB Output is correct
6 Correct 5 ms 10404 KB Output is correct
7 Correct 5 ms 10452 KB Output is correct
8 Correct 5 ms 10464 KB Output is correct
9 Correct 5 ms 10452 KB Output is correct
10 Correct 5 ms 10436 KB Output is correct
11 Correct 5 ms 10452 KB Output is correct
12 Correct 5 ms 10372 KB Output is correct
13 Correct 5 ms 10452 KB Output is correct
14 Correct 6 ms 10452 KB Output is correct
15 Correct 5 ms 10452 KB Output is correct
16 Correct 5 ms 10452 KB Output is correct
17 Correct 5 ms 10452 KB Output is correct
18 Correct 5 ms 10468 KB Output is correct
19 Correct 5 ms 10468 KB Output is correct
20 Correct 5 ms 10452 KB Output is correct
21 Correct 5 ms 10452 KB Output is correct
22 Correct 5 ms 10464 KB Output is correct
23 Correct 5 ms 10468 KB Output is correct
24 Correct 5 ms 10452 KB Output is correct
25 Correct 5 ms 10396 KB Output is correct
26 Correct 5 ms 10452 KB Output is correct
27 Correct 5 ms 10468 KB Output is correct
28 Correct 5 ms 10452 KB Output is correct
29 Correct 5 ms 10452 KB Output is correct
30 Correct 5 ms 10452 KB Output is correct
31 Correct 5 ms 10452 KB Output is correct
32 Correct 5 ms 10452 KB Output is correct
33 Correct 5 ms 10456 KB Output is correct
34 Correct 5 ms 10452 KB Output is correct
35 Correct 5 ms 10452 KB Output is correct
36 Correct 5 ms 10452 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 10452 KB Output is correct
2 Correct 6 ms 10452 KB Output is correct
3 Correct 5 ms 10452 KB Output is correct
4 Correct 5 ms 10452 KB Output is correct
5 Correct 5 ms 10452 KB Output is correct
6 Correct 5 ms 10452 KB Output is correct
7 Correct 5 ms 10452 KB Output is correct
8 Correct 5 ms 10452 KB Output is correct
9 Correct 5 ms 10452 KB Output is correct
10 Correct 6 ms 10464 KB Output is correct
11 Correct 7 ms 10452 KB Output is correct
12 Correct 5 ms 10452 KB Output is correct
13 Correct 5 ms 10388 KB Output is correct
14 Correct 5 ms 10460 KB Output is correct
15 Correct 5 ms 10424 KB Output is correct
16 Correct 5 ms 10452 KB Output is correct
17 Correct 5 ms 10452 KB Output is correct
18 Correct 5 ms 10452 KB Output is correct
19 Correct 5 ms 10460 KB Output is correct
20 Correct 8 ms 11244 KB Output is correct
21 Correct 8 ms 11220 KB Output is correct
22 Correct 37 ms 18688 KB Output is correct
23 Correct 33 ms 18392 KB Output is correct
24 Correct 37 ms 18896 KB Output is correct
25 Correct 32 ms 18344 KB Output is correct
26 Correct 37 ms 18548 KB Output is correct
27 Correct 32 ms 18196 KB Output is correct
28 Correct 34 ms 18508 KB Output is correct
29 Correct 33 ms 18524 KB Output is correct
30 Correct 33 ms 18496 KB Output is correct
31 Correct 38 ms 18528 KB Output is correct
32 Correct 32 ms 18456 KB Output is correct
33 Correct 31 ms 18324 KB Output is correct
34 Correct 33 ms 18476 KB Output is correct
35 Correct 5 ms 10452 KB Output is correct
36 Correct 5 ms 10452 KB Output is correct
37 Correct 33 ms 18524 KB Output is correct
38 Correct 34 ms 18496 KB Output is correct
39 Correct 34 ms 18544 KB Output is correct

Subtask #4
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 10452 KB Output is correct
2 Correct 4 ms 10452 KB Output is correct
3 Correct 5 ms 10452 KB Output is correct
4 Correct 6 ms 10452 KB Output is correct
5 Correct 283 ms 44556 KB Output is correct
6 Correct 137 ms 20612 KB Output is correct
7 Correct 281 ms 44608 KB Output is correct
8 Correct 40 ms 18420 KB Output is correct
9 Correct 279 ms 44512 KB Output is correct
10 Correct 200 ms 30628 KB Output is correct

Subtask #5
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 10452 KB Output is correct
2 Correct 6 ms 10452 KB Output is correct
3 Correct 5 ms 10460 KB Output is correct
4 Correct 5 ms 10464 KB Output is correct
5 Correct 5 ms 10452 KB Output is correct
6 Correct 5 ms 10404 KB Output is correct
7 Correct 5 ms 10452 KB Output is correct
8 Correct 5 ms 10464 KB Output is correct
9 Correct 5 ms 10452 KB Output is correct
10 Correct 5 ms 10436 KB Output is correct
11 Correct 5 ms 10452 KB Output is correct
12 Correct 5 ms 10372 KB Output is correct
13 Correct 5 ms 10452 KB Output is correct
14 Correct 6 ms 10452 KB Output is correct
15 Correct 5 ms 10452 KB Output is correct
16 Correct 5 ms 10452 KB Output is correct
17 Correct 5 ms 10452 KB Output is correct
18 Correct 5 ms 10468 KB Output is correct
19 Correct 5 ms 10468 KB Output is correct
20 Correct 5 ms 10452 KB Output is correct
21 Correct 5 ms 10452 KB Output is correct
22 Correct 5 ms 10464 KB Output is correct
23 Correct 5 ms 10468 KB Output is correct
24 Correct 5 ms 10452 KB Output is correct
25 Correct 5 ms 10396 KB Output is correct
26 Correct 5 ms 10452 KB Output is correct
27 Correct 5 ms 10468 KB Output is correct
28 Correct 5 ms 10452 KB Output is correct
29 Correct 5 ms 10452 KB Output is correct
30 Correct 5 ms 10452 KB Output is correct
31 Correct 5 ms 10452 KB Output is correct
32 Correct 5 ms 10452 KB Output is correct
33 Correct 5 ms 10456 KB Output is correct
34 Correct 5 ms 10452 KB Output is correct
35 Correct 5 ms 10452 KB Output is correct
36 Correct 5 ms 10452 KB Output is correct
37 Correct 5 ms 10468 KB Output is correct
38 Correct 5 ms 10452 KB Output is correct
39 Correct 5 ms 10460 KB Output is correct
40 Correct 5 ms 10460 KB Output is correct
41 Correct 7 ms 10724 KB Output is correct
42 Correct 6 ms 10708 KB Output is correct
43 Correct 6 ms 10708 KB Output is correct
44 Correct 6 ms 10724 KB Output is correct
45 Correct 6 ms 10708 KB Output is correct
46 Correct 6 ms 10596 KB Output is correct
47 Correct 6 ms 10580 KB Output is correct
48 Correct 6 ms 10548 KB Output is correct
49 Correct 6 ms 10580 KB Output is correct
50 Correct 5 ms 10452 KB Output is correct
51 Correct 5 ms 10452 KB Output is correct
52 Correct 6 ms 10708 KB Output is correct

Subtask #6
15.0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 10452 KB Output is correct
2 Correct 6 ms 10452 KB Output is correct
3 Correct 5 ms 10460 KB Output is correct
4 Correct 5 ms 10464 KB Output is correct
5 Correct 5 ms 10452 KB Output is correct
6 Correct 5 ms 10404 KB Output is correct
7 Correct 5 ms 10452 KB Output is correct
8 Correct 5 ms 10464 KB Output is correct
9 Correct 5 ms 10452 KB Output is correct
10 Correct 5 ms 10436 KB Output is correct
11 Correct 5 ms 10452 KB Output is correct
12 Correct 5 ms 10372 KB Output is correct
13 Correct 5 ms 10452 KB Output is correct
14 Correct 6 ms 10452 KB Output is correct
15 Correct 5 ms 10452 KB Output is correct
16 Correct 5 ms 10452 KB Output is correct
17 Correct 5 ms 10452 KB Output is correct
18 Correct 5 ms 10468 KB Output is correct
19 Correct 5 ms 10468 KB Output is correct
20 Correct 5 ms 10452 KB Output is correct
21 Correct 5 ms 10452 KB Output is correct
22 Correct 5 ms 10464 KB Output is correct
23 Correct 5 ms 10468 KB Output is correct
24 Correct 5 ms 10452 KB Output is correct
25 Correct 5 ms 10396 KB Output is correct
26 Correct 5 ms 10452 KB Output is correct
27 Correct 5 ms 10468 KB Output is correct
28 Correct 5 ms 10452 KB Output is correct
29 Correct 5 ms 10452 KB Output is correct
30 Correct 5 ms 10452 KB Output is correct
31 Correct 5 ms 10452 KB Output is correct
32 Correct 5 ms 10452 KB Output is correct
33 Correct 5 ms 10456 KB Output is correct
34 Correct 5 ms 10452 KB Output is correct
35 Correct 5 ms 10452 KB Output is correct
36 Correct 5 ms 10452 KB Output is correct
37 Correct 5 ms 10452 KB Output is correct
38 Correct 5 ms 10452 KB Output is correct
39 Correct 5 ms 10452 KB Output is correct
40 Correct 5 ms 10452 KB Output is correct
41 Correct 5 ms 10452 KB Output is correct
42 Correct 5 ms 10452 KB Output is correct
43 Correct 5 ms 10452 KB Output is correct
44 Correct 6 ms 10464 KB Output is correct
45 Correct 7 ms 10452 KB Output is correct
46 Correct 5 ms 10452 KB Output is correct
47 Correct 5 ms 10388 KB Output is correct
48 Correct 5 ms 10460 KB Output is correct
49 Correct 5 ms 10424 KB Output is correct
50 Correct 5 ms 10452 KB Output is correct
51 Correct 5 ms 10452 KB Output is correct
52 Correct 5 ms 10452 KB Output is correct
53 Correct 5 ms 10460 KB Output is correct
54 Correct 8 ms 11244 KB Output is correct
55 Correct 8 ms 11220 KB Output is correct
56 Correct 37 ms 18688 KB Output is correct
57 Correct 33 ms 18392 KB Output is correct
58 Correct 37 ms 18896 KB Output is correct
59 Correct 32 ms 18344 KB Output is correct
60 Correct 37 ms 18548 KB Output is correct
61 Correct 32 ms 18196 KB Output is correct
62 Correct 34 ms 18508 KB Output is correct
63 Correct 33 ms 18524 KB Output is correct
64 Correct 33 ms 18496 KB Output is correct
65 Correct 38 ms 18528 KB Output is correct
66 Correct 32 ms 18456 KB Output is correct
67 Correct 31 ms 18324 KB Output is correct
68 Correct 33 ms 18476 KB Output is correct
69 Correct 5 ms 10452 KB Output is correct
70 Correct 5 ms 10452 KB Output is correct
71 Correct 33 ms 18524 KB Output is correct
72 Correct 34 ms 18496 KB Output is correct
73 Correct 34 ms 18544 KB Output is correct
74 Correct 5 ms 10452 KB Output is correct
75 Correct 4 ms 10452 KB Output is correct
76 Correct 5 ms 10452 KB Output is correct
77 Correct 6 ms 10452 KB Output is correct
78 Correct 283 ms 44556 KB Output is correct
79 Correct 137 ms 20612 KB Output is correct
80 Correct 281 ms 44608 KB Output is correct
81 Correct 40 ms 18420 KB Output is correct
82 Correct 279 ms 44512 KB Output is correct
83 Correct 200 ms 30628 KB Output is correct
84 Correct 5 ms 10468 KB Output is correct
85 Correct 5 ms 10452 KB Output is correct
86 Correct 5 ms 10460 KB Output is correct
87 Correct 5 ms 10460 KB Output is correct
88 Correct 7 ms 10724 KB Output is correct
89 Correct 6 ms 10708 KB Output is correct
90 Correct 6 ms 10708 KB Output is correct
91 Correct 6 ms 10724 KB Output is correct
92 Correct 6 ms 10708 KB Output is correct
93 Correct 6 ms 10596 KB Output is correct
94 Correct 6 ms 10580 KB Output is correct
95 Correct 6 ms 10548 KB Output is correct
96 Correct 6 ms 10580 KB Output is correct
97 Correct 5 ms 10452 KB Output is correct
98 Correct 5 ms 10452 KB Output is correct
99 Correct 6 ms 10708 KB Output is correct
100 Correct 6 ms 10708 KB Output is correct
101 Correct 22 ms 13524 KB Output is correct
102 Correct 17 ms 11748 KB Output is correct
103 Correct 324 ms 44536 KB Output is correct
104 Correct 276 ms 44608 KB Output is correct
105 Correct 245 ms 32588 KB Output is correct
106 Correct 212 ms 44616 KB Output is correct
107 Correct 149 ms 21252 KB Output is correct
108 Correct 162 ms 23776 KB Output is correct
109 Correct 42 ms 18648 KB Output is correct
110 Correct 33 ms 18520 KB Output is correct
111 Correct 304 ms 41480 KB Output is correct
112 Correct 252 ms 38348 KB Output is correct
113 Correct 150 ms 21464 KB Output is correct
114 Correct 205 ms 44608 KB Output is correct
115 Correct 226 ms 44608 KB Output is correct